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Comparative Marker Analysis after Isolation and Culture of Testicular Cells from the Immature Marmoset.
MedLine Citation:
PMID:  22739409     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The marmoset monkey is a valuable model in reproductive medicine. While previous studies have evaluated germ cell dynamics in the postnatal marmoset, the features of testicular somatic cells remain largely unknown. Therefore, the aim of this study was to establish marmoset-specific markers for Sertoli and peritubular cells (PTCs) and to compare protocols for the enrichment and culture of testicular cell types. Immunohistochemistry of Sertoli and PTC-specific markers - anti-müllerian hormone (AMH), vimentin (VIM), α-smooth muscle actin (SMA) - was performed and corresponding RNA expression profiles were established by quantitative PCR analysis (SOX9,AMH, FSHR,VIM, and SMA). For these analyses, testicular tissue from newborn (n = 4), 8-week-old (n = 4) and adult (n = 3) marmoset monkeys was used. Protocols for the enrichment and culture of testicular cell fractions from the 8-week-old marmoset monkeys (n = 3) were evaluated and cells were analyzed using germ cell- and somatic cell-specific markers. The expression of AMH, VIM and SMA reflects the proportion and differentiation status of Sertoli and PTCs at the RNA and the protein levels. While applied protocols did not support the propagation of germ cells in vitro, our analyses revealed that PTCs maintain their proliferative potential and constitute the dominant cell type after short- and long-term culture. Expression of functionally meaningful testicular somatic markers is similar in the human and the marmoset monkey, indicating that this primate can indeed be used as model for human testicular development. The PTC culture system established in this study will facilitate the identification of factors influencing male sex differentiation and spermatogenesis.
Authors:
Silvia Albert; Joachim Wistuba; Katja Eildermann; Jens Ehmcke; Stefan Schlatt; Joerg Gromoll; Nina Kossack
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-27
Journal Detail:
Title:  Cells, tissues, organs     Volume:  -     ISSN:  1422-6421     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883360     Medline TA:  Cells Tissues Organs     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Center of Reproductive Medicine and Andrology, Institute of Reproductive and Regenerative Biology, Albert Schweitzer Campus 1, University of Münster, Münster, Germany.
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